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1.发明公开LIQUID JET HEAD AND METHOD FOR PRODUCING SAME, AND LIQUID JET APPARATUS AND IMAGE FORMING APPARATUS 审中-公开液体喷射头和方法用于其生产和液体射流装置和成像设备
公开(公告)号：EP3145723A1
公开(公告)日：2017-03-29
申请号：EP15796728.2
申请日：2015-05-19
申请人： Ricoh Company, Ltd.
发明人： TAKAGI, Daisuke , HABASHI, Hisashi , ARATANI, Tomoyuki , SAMESHIMA, Tatsuya , OGAWA, Ryo , MATSUDA, Takuya
IPC分类号： B41J2/14 , B41J2/16 , C09J5/00 , C09J11/06 , C09J163/00
CPC分类号： B41J2/1433 , B41J2/14274 , B41J2/1606 , B41J2202/03 , C08G59/245 , C08G59/5073 , C08G59/66
摘要： Provided is a liquid jet head, including a flow path including a first member, a resin layer, and a second member, wherein the resin layer contains a cured product of a resin composition containing an epoxy compound represented by General Formula (1), a polythiol compound having 2 or more thiol groups in a molecule thereof, and a specific imidazole compound, where in General Formula (1), L is an integer of 0 or greater but less than 3, m is a positive number of 0.1 or greater but less than 50, R1 represents any one of a hydrogen atom, and an alkyl group having 1 to 4 carbon atoms, and R2 represents a substituent represented by a formula below where R3 and R4 each represent any one of hydrogen atom, and a non-substituted or fluorine-substituted methyl group, and n is an integer of 4 to 12.
摘要翻译： 本发明提供一种液体喷射头，其中包括流动路径，其包括第一构件，一树脂层，和worin上述树脂层含有含环氧化合物的树脂组合物的固化产物的第二构件由通式（1），一个 具有在其分子中具有两个或多个硫醇基团的多硫醇化合物和特定的咪唑化合物，其中在通式（1）中，L为0或更大但小于3的整数，m为0.1以上的正数，但 小于50，R 1表示氢原子中的任一个，和具有1至4个碳原子的烷基，和R 2 darstellt由以下其中R3和R4各自表示氢原子中的任一个下式表示的取代基，和非 substituiertem或氟substituiertem甲基，并且n为12至4的整数。
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公开(公告)号：EP3916083A1
公开(公告)日：2021-12-01
申请号：EP21175414.8
申请日：2021-05-21
申请人： Ricoh Company, Ltd.
IPC分类号： C12N5/071 , C12N5/0793 , C12N5/079 , G01N33/50
摘要： The invention provides a cell-containing vessel comprising a plurality of neural cell-containing spheroids for which the variation calculated using the calculation method described below is less than 20%, wherein the neural cell-containing spheroids contain a plurality of types of cells including neural cells,
(Calculation Method)
Calcium transient assays are conducted for each of a plurality of neural cell-containing spheroids, a number of spontaneous oscillations in a 10-minute period is measured, an average and standard deviation for the number of spontaneous oscillations are calculated, and a variation is calculated using formula (1) below: Variation % = standard deviation for number of spontaneous oscillations / average number of spontaneous oscillations × 100-
公开(公告)号：EP4117821A1
公开(公告)日：2023-01-18
申请号：EP21712250.6
申请日：2021-02-26
申请人： Ricoh Company, Ltd.
发明人： NONOYAMA, Yusuke , MATSUMOTO, Takahiko , YAGINUMA, Hidekazu , MAEDA, Reo , SAMESHIMA, Tatsuya , IWASHITA, Natsuko , ARATANI, Tomoyuki , KITAZAWA, Tomofumi , KOSHIZUKA, Shinnosuke
IPC分类号： B01L3/02
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公开(公告)号：EP3901245A1
公开(公告)日：2021-10-27
申请号：EP21163365.6
申请日：2021-03-18
申请人： Ricoh Company, Ltd.
发明人： NAKAYAMA, Tomoaki , ARATANI, Tomoyuki , KOSHIZUKA, Shinnosuke , MIYAOKA, Atsushi , SHIONOIRI, Momoko , YAMOTO, Rie , KITAZAWA, Tomofumi
摘要： Provided is a cell-containing container including nerve cells and a medium, in which the nerve cells adhere to a culture surface of the cell-containing container, an adhesion area between the nerve cells and the culture surface is 0.5 mm 2 or more per 80,000 nerve cells, and a concentration of glucose in the medium is 1 g/L or higher.
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5.发明公开
公开(公告)号：EP4379044A1
公开(公告)日：2024-06-05
申请号：EP22849022.3
申请日：2022-05-31
申请人： Ricoh Company, Ltd.
发明人： SHIONOIRI, Momoko , ARATANI, Tomoyuki , IJICHI, Rie , SAMESHIMA, Tatsuya , KOSHIZUKA, Shinnosuke , KITAZAWA, Tomofumi , NAKAYAMA, Tomoaki , KAGA, Yuki
摘要： A cell culture method includes a step of performing adherent culture of cells on a coat layer layered on a surface of a cell culture container by placing a culture medium and the cells in the cell culture container, in which the coat layer includes a layer (i) that includes a layer (i-1) including gelatin or casein and a layer (i-2) that includes a polycationic material and a layer (ii) that is layered on the layer (i) and includes a cell adhesion factor, and the layer (ii) is disposed at a position at which the layer (ii) comes into contact with the cells, or the coat layer includes the layer (i) and the layer (i) is disposed at a position at which the layer (i) comes into contact with the cells, and the culture medium includes the cell adhesion factor.
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公开(公告)号：EP4159844A1
公开(公告)日：2023-04-05
申请号：EP22197578.2
申请日：2022-09-23
申请人： Ricoh Company, Ltd.
发明人： KAGA, Yuki , NAKAYAMA, Tomoaki , ARATANI, Tomoyuki , KOSHIZUKA, Shinnosuke , SAMESHIMA, Tatsuya , SHIONOIRI, Momoko , KITAZAWA, Tomofumi , IJICHI, Rie
IPC分类号： C12N5/0793 , C12N5/071 , G01N33/483 , G01N33/50
摘要： A cell-containing structure is provided that allows ready-to-use nerve drug response evaluation with high reproducibility to be easily performed. The cell-containing structure for evaluating an electrical property of neurons includes: (a) a culture surface to which the neurons are able to be adhered; (b) a cell mass that is adhered to the culture surface and contains at least one of the neurons; and (c) a plurality of electrodes for measuring the electrical property of the cell mass, wherein a spontaneous firing frequency of cells contained in the cell mass is 0.25 Hz or more per electrode.
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公开(公告)号：EP3919610A1
公开(公告)日：2021-12-08
申请号：EP21175642.4
申请日：2021-05-25
申请人： Ricoh Company, Ltd.
摘要： A method of producing a cell-containing container is provided, including a process in which pluripotent stem cells that have been induced to differentiate into neurons, and astrocytes are mixed and seeded in a cell culture container in which an electrode array is arranged on a culture surface, and a process in which the cell culture container is incubated, and as a result, the pluripotent stem cells and the astrocytes adhere to the culture surface, and the pluripotent stem cells differentiate into neurons.
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公开(公告)号：EP3878937A1
公开(公告)日：2021-09-15
申请号：EP21159321.5
申请日：2021-02-25
申请人： Ricoh Company, Ltd.
发明人： KOSHIZUKA, Shinnosuke , ARATANI, Tomoyuki , SAMESHIMA, Tatsuya , NAKAYAMA, Tomoaki , MIYAOKA, Atsushi , SHIONOIRI, Momoko , KITAZAWA, Tomofumi
摘要： A drying suppression device including: a main body housing a well plate; and an openable/closable lid provided on the main body, the main body including: a holder section that holds the well plate; a liquid storage tank that stores liquid; and a support section that supports the holder while keeping the holder section away from an inner bottom surface of the liquid storage tank, wherein, with the lid being closed, an inner space surrounded by the liquid storage tank and the lid communicate with an outside space.
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9.发明授权
公开(公告)号：EP3145723B1
公开(公告)日：2018-09-05
申请号：EP15796728.2
申请日：2015-05-19
申请人： Ricoh Company, Ltd.
发明人： TAKAGI, Daisuke , HABASHI, Hisashi , ARATANI, Tomoyuki , SAMESHIMA, Tatsuya , OGAWA, Ryo , MATSUDA, Takuya
CPC分类号： B41J2/1433 , B41J2/14274 , B41J2/1606 , B41J2202/03 , C08G59/245 , C08G59/5073 , C08G59/66
摘要： Provided is a liquid jet head, including a flow path including a first member, a resin layer, and a second member, wherein the resin layer contains a cured product of a resin composition containing an epoxy compound represented by General Formula (1), a polythiol compound having 2 or more thiol groups in a molecule thereof, and a specific imidazole compound, where in General Formula (1), L is an integer of 0 or greater but less than 3, m is a positive number of 0.1 or greater but less than 50, R1 represents any one of a hydrogen atom, and an alkyl group having 1 to 4 carbon atoms, and R2 represents a substituent represented by a formula below where R3 and R4 each represent any one of hydrogen atom, and a non-substituted or fluorine-substituted methyl group, and n is an integer of 4 to 12.
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